Wednesday, January 30, 2019

How to Detect Bad Air Quality

Poor air quality can force you to stay inside, give you allergy attacks, and even hurt your health, but it can be hard to tell just when the quality goes from OK to unhealthy. By checking frequently and knowing how to keep yourself safe at dangerous levels, you can wait out the bad air safely and get back outside in good health.

EditSteps

EditAssessing Air Quality Indoors

  1. Use an air quality monitor to test for test for indoor pollutants. Indoor air quality is judged by the amount of particle matter, VOCs (Volatile Organic Compounds, such as chemical pollutants), temperature, and humidity (which can lead to mold) in the air. Look online and in home hardware stores for air quality monitors that check all of these pollutants.[1]
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    • Monitors typically cost between $150-250, and 1 device should work well for a medium-sized home.
    • The monitor will inform you when it detects a risky level of pollutants and what you should do about it. It can come paired with an app that provides even more information, and can send you alerts about changes in the air quality even when you aren’t in your home.
  2. Look for signs of mold. Check your home for a musty, unpleasant odor that persists even when you clean, and look for visible signs like black spots, water spots, or damp areas. You might also start experiencing health symptoms, such as watering eyes, congestion, or listlessness.[2]
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    • You can verify with a professional mold inspection, then get rid of the mold with a removal service.
  3. Install carbon monoxide detectors throughout the building. Carbon monoxide is odorless, colorless, and tasteless, but can be deadly if it’s inhaled. Installing carbon monoxide detectors on every floor of your home or workplace can alert you if dangerous levels of the chemical are ever present.[3]
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    • Place the detectors close to areas that you frequent, such as a bedroom or a busy office, so you’re more likely to hear them.
    • Change the batteries every 6 months or so.
    • Carbon monoxide can be released by household appliances like stoves, fireplaces, furnaces, grills, and hot water heaters. Place detectors in the same room as these appliances, or as close as possible.
  4. Do an at-home test to check for radon. To check for radon, a radioactive gas that can be found in soil, well water, and in homes, you can purchase an at-home test from a home improvement store. You’ll likely need to leave the sensor material in your home, then collect it after a certain amount of time. Then, you’ll mail the material to a lab for analysis. Check twice a year to make sure your building stays safe.[4]
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    • Radon is the top cause of lung cancer for non-smokers and about 1 in 15 homes in the US have elevated levels of it.[5]
    • You can also hire a professional to test.

EditChecking Outdoor Air Conditions

  1. Check verified Air Quality Index reports online. You can easily check your area’s Air Quality Index (AQI) by logging onto a verified website. From there, you’ll enter in a city or postal code, or allow the site to look at your GPS information to tell you the AQI in your area. Scores are color-coded and typically separated by pollutant. They’re available throughout the US and globally as well. Use websites such as:[6]
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  2. Look out for AQI scores of 100 or higher, which mean the air is unhealthy. The Air Quality Index (AQI) provides daily reports on air quality all over the world. It consists of a numerical value paired with a verbal level and a color. You can read the AQI with the following key:
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    • Good air quality: AQI within 0-50; green color. Air quality at this level is satisfactory and doesn’t pose any health risks.
    • Moderate: AQI within 51-100; yellow color. The air quality is acceptable, but could be a moderate health risk for people sensitive to ozone or particle pollution.
    • Unhealthy for Sensitive Groups: AQI within 101-150; orange color. Most of the population shouldn’t be affected, but people with heart or lung disease, children, and older adults are at risk.
    • Unhealthy: AQI within 151-200; red color. Everyone might start to experience adverse health effects, with sensitive groups experiencing them more strongly.
    • Very unhealthy: AQI between 201-300; purple color. This is a health alert, which means that everyone might start to experience strong health effects.
    • Hazardous: AQI above 300; maroon color. This is considered an emergency condition, where the whole population is even more likely to be affected.
  3. Learn how the Air Quality Index is measured to read it more easily. The AQI tests for 4 different pollutants. Most AQI scores are given in terms of pollutant—1 score per pollutant—so knowing what they are and how they can affect you is helpful in learning how to keep yourself safe.[7]
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    • Ground level ozone: Ozone pollution often occurs during the summer, when hot weather heats up pollutants from cars and power plants. Health effects can include coughing and throat soreness, difficulty breathing, aggravation of asthma, and inflamed lung cells.
    • Particle pollution or matter: When inhaled, fine and coarse particles can aggravate your lungs. This is particularly dangerous during fires and for people with heart and lung diseases, as their diseases can be aggravated to life-threatening levels.
    • Carbon monoxide: An odorless, colorless gas, carbon monoxide is let out in car exhaust. In high levels, it can reduce the amount of oxygen in your body. This type of pollution is most dangerous for people with cardiovascular diseases or difficulties.
    • Sulfur dioxide: Also a colorless gas, sulfur dioxide is produced by burning fuels like coal and oil in power plants.
  4. Track wildfires that can affect air quality. Wildfires let off fumes that create dangerous levels of ozone and particulate matter. Healthy adults usually aren’t at major risk from short-term exposure, but you should still avoid breathing in smoke if you can help it. Track nearby wildfires online and keep up to date on your local air quality, since winds can push smoke towards you even from miles away.[8]
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  5. Check pollen and spore levels online. Pollutants aren’t the only air problem to be aware of. If you’re allergic or even just sensitive to pollen and spores, you can track their levels in your area using allergen-specific websites. Sites will usually provide information on what kind of allergens are in the air and at what levels; anything over a low to medium-low range can affect your allergy symptoms, depending on your sensitivity. Sites to use include:[9]
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  6. Sign up for EnviroFlash to get email alerts about poor air quality. If you want to stay up to date on air quality without having to search for it, subscribe to EnviroFlash. You can sign up for daily updates, forecasts, and alerts for when AQI levels hit a level of concern (known as “action days”).[10]
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    • To subscribe, go to http://www.enviroflash.info/. Enter your email address, name, and zip code, then search for the nearest EnviroFlash city to you.
  7. Download an air pollution detection app for convenience. For a convenient way to check air quality right on your phone, search your app store for an app that offers AQI and pollen information based on your location. Make sure it can access your current location for the most up-to-date and accurate information.
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    • Try apps like Air Matters, or Air Quality, both of which are free and work globally.
  8. Listen to and read weather reports from local media. Your area’s AQI is almost always reported during weather updates on TV or in the newspaper, so you can track it daily if you want. It typically gets the most attention when it hits moderate or unhealthy levels, so even a casual news-watcher should be able to get notified when conditions are bad.[11]
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EditProtecting Yourself from Poor Air Quality

  1. Use an air purifier for indoor spaces. To remove dust particles and other allergens from your home, place an electronic purifier in your bedroom. This gives you the longest exposure to the purified air.
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    • Look for air purifiers online or in home improvement stores.
  2. Avoid heavy or prolonged exertion during periods of high AQI. No matter what pollutant is registering in high levels, the best thing is to avoid heavy outdoor exercise and long periods of time outside. If you do need to go outside, slow down (such as by walking, instead of running) and try to take frequent breaks indoors.[12]
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    • For ozone and particle matter, avoid outdoor exertion at Moderate levels.
    • For carbon monoxide and sulfur dioxide, avoid outdoor exertion at “Unhealthy for Sensitive Groups” levels.
    • Try to exercise indoors on days when you’re at risk. If you can’t, cut back on the intensity of your exercise and avoid areas with heavy traffic, such as busy streets.[13]
  3. Stay inside if you’re a child, older adult, or have a lung disease or asthma. The most susceptible people to poor air quality are children, older adults, and people with lung diseases, cardiovascular diseases, and asthma. If you or your loved ones fall into one or more of these categories, keep track of AQI closely and stay inside when levels register as Moderate.[14]
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  4. Stay alert for adverse health effects to different pollutants. Health effects for each type of pollutant vary slightly, so try to learn them and watch out for them during at-risk periods, especially if you’re at-risk or spending a lot of time outside. Symptoms can appear or worsen over a few days after exposure as well. If you develop serious symptoms, such as an inability to breathe or aggravation of a current condition, go to the emergency room. Look for symptoms like:[15]
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    • Ozone: coughing, throat soreness, chest tightness or pain, aggravation of asthma
    • Particle pollution: chest pain, shortness of breath, fatigue, coughing, aggravation of asthma and chronic bronchitis
    • Carbon monoxide: chest pain, lowered mental awareness and vision
    • Sulfur dioxide: wheezing, shortness of breath, or chest tightness, especially for people with asthma.
  5. Wear a face mask if you have to be outside during bad conditions. If you have to spend a long amount of time outside or exerting yourself during dangerous air conditions, buy a face mask to protect yourself. Look online or in home improvement stores for a mask like the N95, which will protect you from most particulates.[16]
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    • If you’re exposed to other pollutants, consider getting a mask with a filtration system.
    • Particulate masks are particularly important if your air quality is affected by wildfires.

EditTips

  • Make sure to change your home air filters every 60-90 days, or more frequently if you or anyone else in your home suffers from allergies.

EditSources and Citations

EditQuick Summary


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